1 files changed, 1 insertions, 1 deletions
diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h
index 7a3d88b18f..a713371b98 100644
--- a/src/interfaces/chain.h
+++ b/src/interfaces/chain.h
@@ -268,7 +268,7 @@ public:
     {
     public:
         virtual ~Notifications() {}
-        virtual void transactionAddedToMempool(const CTransactionRef& tx, uint64_t mempool_sequence) {}
+        virtual void transactionAddedToMempool(const CTransactionRef& tx) {}
         virtual void transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason, uint64_t mempool_sequence) {}
         virtual void blockConnected(const BlockInfo& block) {}
         virtual void blockDisconnected(const BlockInfo& block) {}